oj.uz

Submission #773351

# Submission time Handle Problem Language Result Execution time Memory
773351 2023-07-05T00:34:33 Z xetrk Circle selection (APIO18_circle_selection) C++14
7 / 100
 3000 ms 62252 KB 
#pragma warning(disable:4996)

#include<bits/stdc++.h>
using namespace std;


typedef long long ll;
typedef long double ld;

int n;

vector<vector<ll>> circle;

vector<pair<ll, int>> sortRadius;
set<pair<ll,int>> sortX, sortY;

//int skipX[300100], skipY[300100];
//int xIdx[300100], yIdx[300100];

int ans[301000];

inline ll GetDist(ll x1, ll y1, ll x2, ll y2)
{
    // 아 좌표값 마이너스도 들어오네
    ll xx = max(x1, x2) - min(x1, x2);
    ll yy = max(y1, y2) - min(y1, y2);
    return (xx * xx) + (yy * yy);
}



bool comp(const pair<ll, int>& a, const pair<ll, int>& b)
{
    if (a.first == b.first)
        return a.second < b.second;
    return a.first < b.first;
}

bool compSort(const pair<ll, int>& a, const pair<ll, int>& b)
{
    if (a.first == b.first)
        return a.second < b.second;

    return a.first > b.first;
}

int main()
{
    ll x, y, r, r2;
    int i;
    scanf("%d", &n);

    for (int i = 0; i < n; i++)
    {
        scanf("%lld %lld %lld", &x, &y, &r);
        //x = 1, y = 1, r = 3;
        circle.push_back({ x,y,r });
        sortRadius.push_back({ r,i });
        sortX.insert({ x,i });
        sortY.insert({ y,i });
    }

    sort(sortRadius.begin(), sortRadius.end(), compSort);
    //sort(sortX.begin(), sortX.end());
    //sort(sortY.begin(), sortY.end());


    int cur, curcmp;
    //int xMin, xMax, yMin, yMax;
    ll rr;

    fill(ans, ans + n + 2, -1);

    for (int curDelete = 0; curDelete < n; curDelete++)
    {
        cur = sortRadius[curDelete].second;
        if (ans[cur] != -1)
            continue;


        x = circle[cur][0], y = circle[cur][1], r = circle[cur][2];
        if (curDelete < n - 1)
            r2 = r + sortRadius[curDelete + 1].first + 1;
        else
            r2 = r * 2 + 1;

        auto xMin = lower_bound(sortX.begin(), sortX.end(), pair<ll, int>(x - r2, -1), comp);
        auto xMax = upper_bound(sortX.begin(), sortX.end(), pair<ll, int>(x + r2, 301000), comp);

        auto yMin = lower_bound(sortY.begin(), sortY.end(), pair<ll, int>(y - r2, -1), comp);
        auto yMax = upper_bound(sortY.begin(), sortY.end(), pair<ll, int>(y + r2, 301000), comp);

//        xMin--;
//        yMin--;

        if (xMin != sortX.begin()) xMin--;
        if (yMin != sortY.begin()) yMin--;

        //xMin = 0, yMin = 0, xMax = n - 1, yMax = n - 1;


        ans[cur] = cur;
        //xIdx[cur]

        set<pair<ll,int>>::iterator curX = xMin, curY = yMin;

        while (curX!=sortX.end() && curY!=sortY.end())
        {
            curcmp = (*curX).second;
            rr = r + circle[curcmp][2];
            if (ans[curcmp] == -1 && GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
            {
                ans[curcmp] = cur;
            }

            curcmp = (*curY).second;
            rr = r + circle[curcmp][2];

            if (ans[curcmp] == -1 && GetDist(x, y, circle[curcmp][0], circle[curcmp][1]) <= rr * rr)
            {
                ans[curcmp] = cur;
            }

            if (curX == xMax || curY == yMax)
                break;

            curX++, curY++;
        }

  
    }

    for (int i = 0; i < n; i++)
        printf("%d ", ans[i] + 1);

    return 0;
}

Compilation message

circle_selection.cpp:1: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    1 | #pragma warning(disable:4996)
      | 
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:50:9: warning: unused variable 'i' [-Wunused-variable]
   50 |     int i;
      |         ^
circle_selection.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
circle_selection.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         scanf("%lld %lld %lld", &x, &y, &r);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1364 KB Output is correct
20 Correct 5 ms 1364 KB Output is correct
21 Correct 10 ms 1236 KB Output is correct
22 Correct 2518 ms 1320 KB Output is correct
23 Correct 2523 ms 1236 KB Output is correct
24 Correct 2576 ms 1356 KB Output is correct
25 Correct 2507 ms 1320 KB Output is correct
26 Correct 2546 ms 1324 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 882 ms 62244 KB Output is correct
2 Correct 1115 ms 62244 KB Output is correct
3 Correct 917 ms 61988 KB Output is correct
4 Correct 882 ms 62252 KB Output is correct
5 Execution timed out 3064 ms 60196 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3068 ms 20152 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3063 ms 60120 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1364 KB Output is correct
20 Correct 5 ms 1364 KB Output is correct
21 Correct 10 ms 1236 KB Output is correct
22 Correct 2518 ms 1320 KB Output is correct
23 Correct 2523 ms 1236 KB Output is correct
24 Correct 2576 ms 1356 KB Output is correct
25 Correct 2507 ms 1320 KB Output is correct
26 Correct 2546 ms 1324 KB Output is correct
27 Correct 22 ms 2316 KB Output is correct
28 Correct 11 ms 2316 KB Output is correct
29 Correct 11 ms 2316 KB Output is correct
30 Execution timed out 3078 ms 2316 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 5 ms 1364 KB Output is correct
20 Correct 5 ms 1364 KB Output is correct
21 Correct 10 ms 1236 KB Output is correct
22 Correct 2518 ms 1320 KB Output is correct
23 Correct 2523 ms 1236 KB Output is correct
24 Correct 2576 ms 1356 KB Output is correct
25 Correct 2507 ms 1320 KB Output is correct
26 Correct 2546 ms 1324 KB Output is correct
27 Correct 882 ms 62244 KB Output is correct
28 Correct 1115 ms 62244 KB Output is correct
29 Correct 917 ms 61988 KB Output is correct
30 Correct 882 ms 62252 KB Output is correct
31 Execution timed out 3064 ms 60196 KB Time limit exceeded
32 Halted 0 ms 0 KB -